| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | never | 9646 |
99.4%
|
| 1 | often | 15 |
0.2%
|
| 2 | sometimes | 21 |
0.2%
|
| 3 | yes, but not in the last 12 months | 20 |
0.2%
|
| 4 | yes, but frequency in last 12 months missing | 0 |
0%
|
| Sysmiss | 7957 |